Home / 1,540,886.64-2,126,412-861,823.14

Finding the Fourth Proportional to 1,540,886.64, 2,126,412 and 861,823.14

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Solution

The fourth proportional to 1,540,886.64, 2,126,412 and 861,823.14 is: 1,189,309.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,886.64 : 2,126,412 = 861,823.14 : x
  2. Step 2: Convert to fraction form
    1,540,886.64/2,126,412 = 861,823.14/x
  3. Step 3: Cross multiply
    1,540,886.64x = 2,126,412 × 861,823.14
  4. Step 4: Simplify right side
    1,540,886.64x = 1,832,591,066,773.68
  5. Step 5: Solve for x
    x = 1,832,591,066,773.68/1,540,886.64
  6. Step 6: Final answer
    x = 1,189,309.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.